774319339143 has 48 divisors (see below), whose sum is σ = 1322569684800. Its totient is φ = 427129597440.

The previous prime is 774319339081. The next prime is 774319339147. The reversal of 774319339143 is 341933913477.

It is a de Polignac number, because none of the positive numbers 2^k-774319339143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 774319339143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774319339147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10319883 + ... + 10394643.

It is an arithmetic number, because the mean of its divisors is an integer number (27553535100).

Almost surely, 2^774319339143 is an apocalyptic number.

774319339143 is a deficient number, since it is larger than the sum of its proper divisors (548250345657).

774319339143 is a wasteful number, since it uses less digits than its factorization.

774319339143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80472 (or 80469 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The spelling of 774319339143 in words is "seven hundred seventy-four billion, three hundred nineteen million, three hundred thirty-nine thousand, one hundred forty-three".